Note: This is upcoming version 3 functionality. It’s not available in the current 2.x.x version.
New field on “New Post”/”Edit Post” page – “Image(s) to use”.
Default is “Auto” which make plugin select image automatically. Plugin will take featured image from the post. If there is no featured image it will take the first image from the post body. If your post body has no images it will take the specified default image.
Uncheck “Auto” and plugin will show the grid of images from your current post. You can select the image that will be autoposted to your account.
Version 3 is coming soon, you can request to become an early beta-tester here